Mold-Resistant Paper-Faced Drywall Insert from Canada
Purple paper-faced gypsum inserts for shower surrounds, mold-inhibiting additives. Under HTS 6809.11.00.80 as other non-ornamented paper-reinforced plaster tiles. For wet area tiling backer.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Include EPA antimicrobial registration if claimed
• Size-specific declarations prevent shortages in tile backer category
• Test paper facing for water absorption per ASTM C473